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Table 3 Laboratory testing of Tanzanian Olyset samples.

From: Evaluation of Olyset™ insecticide-treated nets distributed seven years previously in Tanzania

3a chemical testing
Sample identification (1) Gembloux, Belgium (WHO Reference Centre) (2) Sumitomo, Japan
  Inside mg/Kg Surface mg/Kg Ratio Inside: outside Total mg/Kg Total mg/Kg
10 3225 280 12 3505 7200
20 2486 311 8 2797 5900
30 3671 189 19 3860 4800
40 5833 323 18 6156 8300
50 6170 349 18 6519 6700
110 2228 324 7 2552 4200
120 12422 197 63 12619 11700
130 12297 1032 12 13328 12700
140 5976 311 19 6287 8900
150 8348 258 32 8606 10800
Average for 10 nets 6266 357 18 6622 8120
3b Bio-assay testing   
Sample identification (3) LIN, Montpellier, France   
  KD 60 (%) Effective mortality (%) Functional mortality (%)   
10 100 42 81   
20 98 14 18   
30 100 74 92   
40 95 9 9   
50 100 38 54   
110 24 0 0   
120 100 22 31   
130 100 57 85   
140 100 23 43   
150 100 62 89   
Average for 10 nets 92 34 50